News Details
Paint use crosslinking accelerator
2017-6-24 17:53:48
Paint use crosslinking accelerator,Main function is to promote the fixed type coating of crosslinking reaction, shorten the crosslinking time and does not affect the crosslinking performance on low temperature crosslinking, epoxy floor coating is an auxiliary additives in the construction of low temperature.
The selection principle of crosslinking promoter: one is to have obvious catalytic crosslinking effect; The second is the compatibility with the system; Thirdly, it will not adversely affect the crosslinking system and have good chemical stability, cheap and easy to wait. The commonly used crosslinking promoters are organic amines, such as tertiary amine, methyldiethylenediamine and aminophenol.
In addition to amines cross linking promoters, acid crosslinking accelerants, such as salicylic acid, can also be used to add quaternary ammonium salt at lower temperatures.
For example, the composition of the crosslinking agent in a epoxy resin floor coating is: amine crosslinking agent: phenylmethanol: salicylic acid: quaternary ammonium salt = 50: (40 ~ 48) : (2 ~ 10) : (0 ~ 3). It is a solvent of salicylic acid, and has the effect of plasticizing epoxy resin to reduce the brittleness of the epoxy resin with low molecular weight.
Design and application of transparent insulated water-based polyurethane coating. Glass consumption has a large proportion of energy consumption in the whole building. In recent years, with the rapid development of nanotechnology, water-based nano-transparent thermal insulation coatings have emerged.
The insulating sandwich glass made from this coating has high visible light transmittance and infrared barrier, which can satisfy the needs of indoor lighting and make the glass have some insulating functions. This kind of coating has good application prospect in the field of building, automobile glass and so on.
Li ning and other nano-ato heat insulation paste and WPU have prepared nano-transparent insulating coatings through a certain process, and they can be coated in the normal temperature of clean glass. The analysis indicates that the energy saving effect of the glass coating is more obvious, the shading coefficient can reach 0.61, while the visible transmittance is 60.6%, and the uv can be blocked by 66.43%.
Chinese name: Diethyl toluene diamine(DETDA)
Chinese alias: aryl, aryl diethyl - aryl - methyl-p-phenylenediamine
English name: Benzenediamine, ar, ar-diethyl-ar-methyl-English aliases:Diethyltoluenediamine; ar, ar-Diethyl-ar-methylbenzenediamine;Diethylmethylbenzenediamine;
CAS No. :68479-98-1
EINECS No. :270 -877-4
Molecular formula: C11H18N2
Molecular Weight: 178.28
Boiling point: 310 ℃
Refractive index: 1.581
Flash Point: > 140 ℃
Inchi: InChI = 1/C11H18N2/c1-4-8-6-7 (3) 10 (12) 11 (13) 9 (8) 5-2/h6H ,4-5,12-13H2 ,1-3H3 density : 1.022
Risk Codes: R10; R35
RIDADR: UN 3082
Safety instructions: S2; S26; S39; S61
Packing Group: III
Hazard Class: 6.1
Liao Yangfei etc - waterborne polyurethane acrylate (PUA) resin as basic material, nanometer indium tin oxide (ITO) pulp as fillers preparation transparent heat insulation glass coating, and made the heat insulation sandwich glass. The glass has good performance of irradiation, heat resistance and impact resistance, and has good thermal insulation and visible transmission ratio.
When YanJi quality ratio of 1:4, nano ITO transparent insulating paint coating in the visible region (380 ~ 780 nm) transmittance about 75%, shading coefficient can reach 0.57, the insulation effect reached more than 15 ℃.
Du zheng and other synthesized polyurethane acrylate prepolymer, adding functional nano powders to prepare waterborne ultraviolet (UV) crosslinking nano-transparent insulating coatings. The study showed that the average particle size of the functional nanometer powders was 27.8 nm, and the average particle size of the coating was 38.8 nm when added to the prepolymer. With heat insulation powder dosage was 4.2%, the thickness of 8 microns advisable, coating glass visible light transmittance of 80%, coating glass than empty glass in the lower temperature above 10 ℃ when balance, and have good basic properties such as hardness, wear resistance, resistance to water.
The results showed that the hydrolyzed fluorosilane molecules formed a coating layer on the surface of TiO2, which improved the hydrophobicity and dispersity of nano TiO2. After the modification of nanometer TiO2 adding amount was 24% in the matrix resin, coating of water contact Angle is 151.4 °, double rough surface in micro/nano structure, with super hydrophobic coating. The mechanical properties of the coating can be improved by applying 5-15% silane coupling agent (KH - 550) ethanol solution on the substrate surface.
Zhang, etc by dipping method using TiO2 nanowires and end vinyl polydimethylsiloxane compound preparation of super hydrophobic coating, low surface energy of PDMS can not only can reduce the surface of the coating, the coating has a super hydrophobic performance, but also as a kind of adhesive made TiO2 nanowires bond on the substrate, especially the hydrophobic coating after ultraviolet radiation can get water from the super hydrophobic surface, and the limit of hydrophobic coating from the substrate, can be applied to different engineering materials, such as stainless steel, copper, aluminum, etc.) surface, have good self-cleaning effect.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Diethyl toluene diamine(DETDA) http://www.yaruichem.com
The selection principle of crosslinking promoter: one is to have obvious catalytic crosslinking effect; The second is the compatibility with the system; Thirdly, it will not adversely affect the crosslinking system and have good chemical stability, cheap and easy to wait. The commonly used crosslinking promoters are organic amines, such as tertiary amine, methyldiethylenediamine and aminophenol.
In addition to amines cross linking promoters, acid crosslinking accelerants, such as salicylic acid, can also be used to add quaternary ammonium salt at lower temperatures.
For example, the composition of the crosslinking agent in a epoxy resin floor coating is: amine crosslinking agent: phenylmethanol: salicylic acid: quaternary ammonium salt = 50: (40 ~ 48) : (2 ~ 10) : (0 ~ 3). It is a solvent of salicylic acid, and has the effect of plasticizing epoxy resin to reduce the brittleness of the epoxy resin with low molecular weight.
Design and application of transparent insulated water-based polyurethane coating. Glass consumption has a large proportion of energy consumption in the whole building. In recent years, with the rapid development of nanotechnology, water-based nano-transparent thermal insulation coatings have emerged.
The insulating sandwich glass made from this coating has high visible light transmittance and infrared barrier, which can satisfy the needs of indoor lighting and make the glass have some insulating functions. This kind of coating has good application prospect in the field of building, automobile glass and so on.
Li ning and other nano-ato heat insulation paste and WPU have prepared nano-transparent insulating coatings through a certain process, and they can be coated in the normal temperature of clean glass. The analysis indicates that the energy saving effect of the glass coating is more obvious, the shading coefficient can reach 0.61, while the visible transmittance is 60.6%, and the uv can be blocked by 66.43%.
Chinese name: Diethyl toluene diamine(DETDA)
Chinese alias: aryl, aryl diethyl - aryl - methyl-p-phenylenediamine
English name: Benzenediamine, ar, ar-diethyl-ar-methyl-English aliases:Diethyltoluenediamine; ar, ar-Diethyl-ar-methylbenzenediamine;Diethylmethylbenzenediamine;
CAS No. :68479-98-1
EINECS No. :270 -877-4
Molecular formula: C11H18N2
Molecular Weight: 178.28
Boiling point: 310 ℃
Refractive index: 1.581
Flash Point: > 140 ℃
Inchi: InChI = 1/C11H18N2/c1-4-8-6-7 (3) 10 (12) 11 (13) 9 (8) 5-2/h6H ,4-5,12-13H2 ,1-3H3 density : 1.022
Risk Codes: R10; R35
RIDADR: UN 3082
Safety instructions: S2; S26; S39; S61
Packing Group: III
Hazard Class: 6.1
Liao Yangfei etc - waterborne polyurethane acrylate (PUA) resin as basic material, nanometer indium tin oxide (ITO) pulp as fillers preparation transparent heat insulation glass coating, and made the heat insulation sandwich glass. The glass has good performance of irradiation, heat resistance and impact resistance, and has good thermal insulation and visible transmission ratio.
When YanJi quality ratio of 1:4, nano ITO transparent insulating paint coating in the visible region (380 ~ 780 nm) transmittance about 75%, shading coefficient can reach 0.57, the insulation effect reached more than 15 ℃.
Du zheng and other synthesized polyurethane acrylate prepolymer, adding functional nano powders to prepare waterborne ultraviolet (UV) crosslinking nano-transparent insulating coatings. The study showed that the average particle size of the functional nanometer powders was 27.8 nm, and the average particle size of the coating was 38.8 nm when added to the prepolymer. With heat insulation powder dosage was 4.2%, the thickness of 8 microns advisable, coating glass visible light transmittance of 80%, coating glass than empty glass in the lower temperature above 10 ℃ when balance, and have good basic properties such as hardness, wear resistance, resistance to water.
The results showed that the hydrolyzed fluorosilane molecules formed a coating layer on the surface of TiO2, which improved the hydrophobicity and dispersity of nano TiO2. After the modification of nanometer TiO2 adding amount was 24% in the matrix resin, coating of water contact Angle is 151.4 °, double rough surface in micro/nano structure, with super hydrophobic coating. The mechanical properties of the coating can be improved by applying 5-15% silane coupling agent (KH - 550) ethanol solution on the substrate surface.
Zhang, etc by dipping method using TiO2 nanowires and end vinyl polydimethylsiloxane compound preparation of super hydrophobic coating, low surface energy of PDMS can not only can reduce the surface of the coating, the coating has a super hydrophobic performance, but also as a kind of adhesive made TiO2 nanowires bond on the substrate, especially the hydrophobic coating after ultraviolet radiation can get water from the super hydrophobic surface, and the limit of hydrophobic coating from the substrate, can be applied to different engineering materials, such as stainless steel, copper, aluminum, etc.) surface, have good self-cleaning effect.
Copyright: Zhang Jia Gang YaRui Chemical co.,Ltd
Diethyl toluene diamine(DETDA) http://www.yaruichem.com
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